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How Plankton Created A Bizarre Giant of the Seas

How Plankton Created A Bizarre Giant of the Seas

Season 3 Episode 25
8:48
The Rise and Fall of the Tallest Mammal to Walk the Earth

The Rise and Fall of the Tallest Mammal to Walk the Earth

Season 3 Episode 26
7:53
How Humans Lost Their Fur

How Humans Lost Their Fur

Season 3 Episode 27
11:27

When Lizards Took Over the World

Season 3 Episode 28
8:29
When the Earth Suddenly Stopped Warming

When the Earth Suddenly Stopped Warming

Season 3 Episode 29
10:21
The Triassic Reptile With "Two Faces"

The Triassic Reptile With "Two Faces"

Season 3 Episode 30
10:11
The Bear-Sized Beaver That Couldn’t Build A Dam

The Bear-Sized Beaver That Couldn’t Build A Dam

Season 3 Episode 31
7:32
The Reign of the Hell Ants

The Reign of the Hell Ants

Season 3 Episode 32
10:09
The Pandemic That Lasted 15 Million Years

The Pandemic That Lasted 15 Million Years

Season 3 Episode 33
9:20
When We First Talked

When We First Talked

Season 3 Episode 34
11:13
The Return of Giant Skin-Shell Sea Turtles

The Return of Giant Skin-Shell Sea Turtles

Season 3 Episode 35
6:53
The Genes We Lost Along the Way

The Genes We Lost Along the Way

Season 3 Episode 36
12:01
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Eons

Why Do Things Keep Evolving Into Crabs?

Season 3 Episode 24

For some reason, animals keep evolving into things that look like crabs, independently, over and over again. What is it about the crab’s form that makes it so evolutionarily successful that non-crabs are apparently jealous of it?
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A Brief History of Geologic Time
12:08
Season 1 Episode 19
A Brief History of Geologic Time
Geologists have been able to identify crucial episodes in life’s history.
An Illustrated History of Dinosaurs
12:20
Season 1 Episode 18
An Illustrated History of Dinosaurs
Our image of dinosaurs has been constantly changing since naturalists started studying the
When Whales Walked
4:56
Season 1 Episode 17
When Whales Walked
We know whales as graceful giants bound to the sea.
Living Fossils' Aren't Really a Thing
5:05
Season 1 Episode 16
Living Fossils' Aren't Really a Thing
Even the most ancient-looking organisms show us that evolution is always at work.
When The Earth Was Purple
5:37
Season 1 Episode 15
When The Earth Was Purple
But imagine a time when the Earth looked a little … purple.
How Did Dinosaurs Get So Huge?
5:42
Season 1 Episode 14
How Did Dinosaurs Get So Huge?
Creatures as tall as a five-story buildings shook the Earth.
History's Most Powerful Plants
5:20
Season 1 Episode 13
History's Most Powerful Plants
Fossil fuels are made from the remains of extinct organisms.
The Age of Giant Insects
5:28
Season 1 Episode 12
The Age of Giant Insects
Insects and other arthropods weren’t always so small.
The Strange Case of the Buzzsaw Jaws
3:54
Season 1 Episode 11
The Strange Case of the Buzzsaw Jaws
A 270-million-year-old sea creature called Helicoprion that once swam the seas.
The Extinction That Never Happened
7:36
Season 1 Episode 10
The Extinction That Never Happened
Natural history is full of living things that were long thought to have gone extinct only
Dimetrodon: Our Most Unlikely Ancestor
5:21
Season 1 Episode 9
Dimetrodon: Our Most Unlikely Ancestor
Take a close look and you might see a little bit of yourself.
The Biggest Thing That Ever Flew
4:27
Season 1 Episode 8
The Biggest Thing That Ever Flew
Today, we’re familiar with two types of flying vertebrates -- birds and bats.
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